Search a number
-
+
104503431 = 3612931949
BaseRepresentation
bin1100011101010…
…01100010000111
321021122022202110
412032221202013
5203223102211
614211512103
72406156504
oct616514207
9237568673
10104503431
1153a97a7a
122abb8633
131885c566
14dc444ab
159293ea6
hex63a9887

104503431 has 16 divisors (see below), whose sum is σ = 142178400. Its totient is φ = 68257920.

The previous prime is 104503393. The next prime is 104503433. The reversal of 104503431 is 134305401.

It is not a de Polignac number, because 104503431 - 210 = 104502407 is a prime.

It is a super-2 number, since 2×1045034312 = 21841934181543522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104503398 and 104503407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104503433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52645 + ... + 54593.

It is an arithmetic number, because the mean of its divisors is an integer number (8886150).

Almost surely, 2104503431 is an apocalyptic number.

104503431 is a deficient number, since it is larger than the sum of its proper divisors (37674969).

104503431 is a wasteful number, since it uses less digits than its factorization.

104503431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 104503431 is about 10222.6919644485. The cubic root of 104503431 is about 471.0245207910.

Adding to 104503431 its reverse (134305401), we get a palindrome (238808832).

The spelling of 104503431 in words is "one hundred four million, five hundred three thousand, four hundred thirty-one".

Divisors: 1 3 61 183 293 879 1949 5847 17873 53619 118889 356667 571057 1713171 34834477 104503431